content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl;
  
  /**
   * Utility methods to validate operator parameters.
   */
  public final class ParameterHelper {
  
      /** Utility class. */
      private ParameterHelper() {
          throw new IllegalStateException("No instances!");
      }
  
      public static void verifyPositive(int value, String name) {
          if (value <= 0) {
              throw new IllegalArgumentException(name + ": " + value + " <= 0");
          }
      }
  
      public static void verifyPositive(long value, String name) {
          if (value <= 0L) {
              throw new IllegalArgumentException(name + ": " + value + " <= 0L");
          }
      }
  
  
      public static void verifyNonNegative(int value, String name) {
          if (value < 0) {
              throw new IllegalArgumentException(name + ": " + value + " < 0");
          }
      }
  
      public static void verifyNonNegative(long value, String name) {
          if (value < 0L) {
              throw new IllegalArgumentException(name + ": " + value + " < 0L");
          }
      }
  }
  